Beauty Makeup Rihanna's Amazing Dewy Skin for "Stay" Video: The Insider Secret By Marianne Mychaskiw Marianne Mychaskiw Instagram Marianne Mychaskiw is a New York-based freelance writer, editor, and lover of Britney Spears who covers everything from beauty and style, to wellness and entertainment. A graduate of St. John's University, Mychaskiw was a previous staffer at InStyle, working her way up from intern to associate beauty editor — so you already know she will never leave the house without slathering on mineral sunscreen. InStyle's editorial guidelines Published on February 14, 2013 Pin Share Tweet Email Photo: Courtesy Photo (3) MORE:• See Rihanna's Many Hairstyles -- On You!• Rihanna's Three Grammy Looks• Celeb Fragrances: Rihanna's Limited-Edition Scent! Was this page helpful? Thanks for your feedback! Tell us why! Other Submit